Stop Guessing Your Tire Pressure

  • ✓Get the perfect PSI based on your exact weight, cargo, and terrain
  • ✓Avoid pinch flats and blowouts
  • ✓Eliminate poor handling and optimize ride quality
Find My PSI →Free for all e-bike modelsPopular Bikes↓

Load-Aware Math

Accounts for rider, cargo, and terrain. No guesswork.

Model Database

20+ presets with verified specs and tire data.

Safety Checks

Live alerts for pinch-flat, sidewall max, and terrain risks.

Trike Support

Three-wheel load split with independent rear calculations.

How It Works

  1. 1Pick your bike or enter tire size
  2. 2Set rider, passenger, and cargo weights
  3. 3Select surface type and tire construction
  4. 4Get min / target / max PSI with safety checks